(1) Each Trading Member shall, when required to do so or if it comes to their knowledge, file with SGX-ST a report, in such form as may be prescribed, giving the name and address of any customer who, on the previous Market Day, holds aggregate long or short positions on the same side of the market in excess of the individual position limits fixed by SGX-ST from time to time. The report shall indicate the number of Options comprising each such position.

(2) In addition to the reports required under Rule 18.5.5(1), each Trading Member shall report promptly to SGX-ST any instance in which it has reason to believe that a customer, acting alone or in concert with others has exceeded or is attempting to exceed the individual or market position limits established by SGX-ST from time to time.